Re: [ft-devel] questions about OpenType fonts with CFF data

[Manlio Perillo]

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Werner LEMBERG ha scritto:
> Sorry for the late reply.
> 
>>>> So, does this means that you have seen OpenType fonts with CFF
>>>> data having multiple font?
>>> This is not possible.  According to people from both Adobe and
>>> Microsoft (as discussed on the OpenType mailing list, IIRC), a CFF
>>> font in an SFNT wrapper can only have a single font.  This is
>>> undocumented, however.
>> Ok, thanks; this confirms my idea.  I hope this will get documented,
>> at least in the ISO Open Font Format specification.
> 
> I think it won't, since this is a limitation of the various OpenType
> implementations and not of the specification itself.
> 

I have some doubts.
This is a limitation of the OpenType specification, since IMHO it can
not really handle CFF data with more than one font.

How do you associate, as an example, the metrics data with multiple fonts?

> [...]


Regards   Manlio
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